M378A4G43MB1-CTD Samsung 32GB 2666MHz PC4-21300 Non ECC CL19 1.35V 2RX8 Unbuffered DDR4 SDRAM 288-Pin UDIMM Memory

Product Overview of the Samsung 32GB DDR4 RAM

The Samsung M378A4G43MB1-CTD is a premium-quality 32GB DDR4 SDRAM memory module designed for users who need reliable, fast, and efficient system memory. This high-performance RAM operates at 2666MHz and is suitable for desktops and professional workstations that demand stable multitasking and smooth data handling.

General Information

• Brand: Samsung
• Model Number: M378A4G43MB1-CTD
• Product Type: 32GB DDR4 SDRAM Memory Module

Technical Specifications

• Total Memory Size: 32GB
• Number of Modules: 1 x 32GB
• Single Module Design for easy upgrade

Memory Speed and Performance

• Memory Speed: 2666 MHz
• Memory Standard: DDR4-2666 / PC4-21300
• CAS Latency: CL19
• Signal Processing: Unbuffered
• Rank: 2Rx8
• Non-ECC memory for consumer and office systems

Power Efficiency

• Operating Voltage: 1.35V
• Low power consumption for cooler operation
• Optimized for long system life

Form Factor

• Form Factor: DIMM
• Pin Count: 288-Pin
• Compact design fits standard desktop slots

Compatibility

This Samsung 32GB DDR4 memory module is compatible with a wide range of desktop computers and workstations that support DDR4 technology.

• Desktop PCs with DDR4 DIMM slots
• Workstations using DDR4 unbuffered memory
• Systems that support 2666MHz memory speed

The High-Capacity Desktop Memory Workloads

The Samsung M378A4G43MB1-CTD 32GB 2666MHz PC4-21300 Non ECC CL19 1.35V 2RX8 Unbuffered DDR4 SDRAM 288-Pin UDIMM Memory Kit represents a category of high-capacity desktop RAM modules designed for users who require reliable, stable, and efficient performance for everyday computing as well as advanced professional workloads. This category focuses on desktop-class DDR4 memory modules that deliver a balance of speed, capacity, and power efficiency without the complexity or cost associated with server-grade ECC or buffered memory.

As part of the DDR4 UDIMM memory category, this product is tailored specifically for desktop PCs, workstations, and power-user systems that need large memory capacity to handle multitasking, data-intensive applications, and modern software environments. With 32GB in a single module, this memory class enables smooth performance in scenarios that would overwhelm lower-capacity RAM configurations.

DDR4 SDRAM Technology

DDR4 SDRAM (Double Data Rate Fourth Generation Synchronous Dynamic Random-Access Memory) is a significant improvement over previous DDR3 technology. It offers higher bandwidth, lower voltage requirements, and increased density per module. In the context of this category, DDR4 memory such as the Samsung M378A4G43MB1-CTD allows systems to access data faster while consuming less power.

The DDR4 architecture supports higher clock speeds starting from 2133MHz and extending well beyond 3200MHz in many consumer modules. The 2666MHz frequency of this memory kit sits in a sweet spot between performance and compatibility, making it widely supported by modern Intel and AMD platforms.

32GB Matters

The 32GB memory category has become increasingly popular as software demands grow and multitasking becomes more intensive. While 8GB and 16GB RAM modules are sufficient for basic use, 32GB RAM opens new possibilities for advanced computing. It allows users to run multiple applications simultaneously without performance degradation and provides ample headroom for future software updates.

In this category, a single 32GB module like the Samsung M378A4G43MB1-CTD simplifies upgrades. Instead of occupying multiple memory slots, users can achieve high capacity with fewer modules, leaving room for expansion.

2666MHz Speed and PC4-21300 Ram

The 2666MHz frequency rating indicates that the memory can perform 2,666 million transfers per second. In practical terms, this speed ensures that the processor can access data quickly, minimizing bottlenecks and improving overall system responsiveness.

PC4-21300 refers to the theoretical maximum bandwidth of 21,300 MB/s. This high bandwidth is essential for tasks that involve continuous data flow between the CPU, memory, and storage devices.

Non-ECC Memory Category

Non-ECC (Error-Correcting Code) memory does not include additional circuitry to detect and correct memory errors. This category is designed for consumer desktops and workstations where cost efficiency and performance are prioritized over the extreme reliability required in enterprise servers.

The Samsung M378A4G43MB1-CTD belongs to this non-ECC category, making it ideal for users who do not need server-grade error correction but still require dependable performance for everyday and professional tasks.

CL19 Latency

CL19 refers to the CAS (Column Address Strobe) latency of the memory, which is the number of clock cycles required to access data from a specific column in memory. In the context of DDR4 2666MHz memory, CL19 is a standard and well-balanced latency that ensures stable performance.

This category of memory prioritizes reliability and broad compatibility rather than ultra-low latency aimed at extreme overclocking enthusiasts.

2Rx8 Dual Rank

The 2Rx8 configuration indicates that the module is dual-rank and uses x8 memory chips. Dual-rank memory can improve performance in certain scenarios by allowing the memory controller to interleave access between ranks, effectively increasing throughput.

Comparison with Other Memory

16GB DDR4 Modules

Compared to 16GB modules, this category offers double the capacity, making it far more suitable for advanced multitasking and professional workloads.

DDR5 Memory

While DDR5 offers higher theoretical performance, DDR4 remains more affordable and widely compatible. This category represents a mature, stable, and cost-effective solution for most users today.